51f.com is tracked by us since May, 2012. Over the time it has been ranked as high as 80 649 in the world, while most of its traffic comes from USA, where it reached as high as 18 985 position. It was owned by several entities, from 北京搜狐互联网信息服务有限公司 of 北京搜狐互联网信息服务有限公司 to 北京焦点互动信息服务有限公司, it was hosted by China Unicom Beijing province network, IPv4 address block not managed by the RIPE NCC and others. While ENAME TECHNOLOGY CO. LTD. was its first registrar, now it is moved to MarkMonitor Information Technology (Shanghai) Co. Ltd..

51f has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that 51f.com is poorly ‘socialized’ in respect to any social network. According to Google safe browsing analytics, 51f.com is quite a safe domain with no visitor reviews.